body {
  background-image: url(https://p.aiu.pub/s/xW2T.webp);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  height: 100vh;
  font-family: "comic sans ms", '幼圆';
  overflow: hidden;
}
.main {
  width: 400px;
  background-color: rgba(255, 255, 255, 0.8);
  padding: 40px;
  border-radius: 10px;
  position: fixed;
  z-index: 2;
  bottom: 100px;
  right: 100px;
}
.main h1 {
  text-align: center;
  margin-bottom: 20px;
}
.main .layui-form-label {
  width: 60px;
}
.main .submit-box {
  text-align: center;
  margin-left: 0;
  margin-top: 20px;
}
.main input {
  border-radius: 4px;
}
@media screen and (max-width: 900px) {
  .main {
    width: calc(100% - 40px);
    padding: 20px;
    position: relative;
    right: unset;
    bottom: unset;
    margin: 100px auto 0;
  }
  .main .layui-form-label {
    text-align: left;
    margin-left: 0;
    padding-left: 0;
  }
  .main .layui-input-block {
    display: block;
    margin-left: 0;
  }
}
